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Fix issue with sticker picker rendering off-screen

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when the RightPanel is collapsed on a small monitor
and the sticker picker is opened.
This commit is contained in:
Luke Barnard 2018-05-14 17:05:23 +01:00
parent 3761cd4054
commit e0236c3d3e
1 changed files with 19 additions and 2 deletions
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21
src/components/views/rooms/Stickerpicker.js
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@ -252,16 +252,33 @@ export default class Stickerpicker extends React.Component {
* @param {Event} e Event that triggered the function
*/
_onShowStickersClick(e) {
// XXX: Simplify by using a context menu that is positioned relative to the sticker picker button
const buttonRect = e.target.getBoundingClientRect();
// The window X and Y offsets are to adjust position when zoomed in to page
const x = buttonRect.right + window.pageXOffset - 42;
let x = buttonRect.right + window.pageXOffset - 41;
// Amount of horizontal space between the right of menu and the right of the viewport
// (10 = amount needed to make chevron centrally aligned)
const rightPad = 10;
// When the sticker picker would be displayed off of the viewport, adjust x
// (302 = width of context menu, including borders)
x = Math.min(x, document.body.clientWidth - (302 + rightPad));
// Offset the chevron location, which is relative to the left of the context menu
// (10 = offset when context menu would not be displayed off viewport)
// (8 = value required in practice (possibly 10 - 2 where the 2 = context menu borders)
const stickerPickerChevronOffset = Math.max(10, 8 + window.pageXOffset + buttonRect.left - x);
const y = (buttonRect.top + (buttonRect.height / 2) + window.pageYOffset) - 19;
this.setState({
showStickers: true,
stickerPickerX: x,
stickerPickerY: y,
stickerPickerChevronOffset,
});
}
@ -314,7 +331,7 @@ export default class Stickerpicker extends React.Component {
const stickerPicker = <ContextualMenu
elementClass={GenericElementContextMenu}
chevronOffset={10}
chevronOffset={this.state.stickerPickerChevronOffset}
chevronFace={'bottom'}
left={this.state.stickerPickerX}
top={this.state.stickerPickerY}